FR2418782A2 - Catalyseur de desalkylation a l'eau des hydrocarbures aromatiques - Google Patents
Catalyseur de desalkylation a l'eau des hydrocarbures aromatiquesInfo
- Publication number
- FR2418782A2 FR2418782A2 FR7806159A FR7806159A FR2418782A2 FR 2418782 A2 FR2418782 A2 FR 2418782A2 FR 7806159 A FR7806159 A FR 7806159A FR 7806159 A FR7806159 A FR 7806159A FR 2418782 A2 FR2418782 A2 FR 2418782A2
- Authority
- FR
- France
- Prior art keywords
- water
- aromatic hydrocarbons
- desalkylation
- catalyst
- hrs
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/60—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the type L, as exemplified by patent document US3216789
- B01J29/61—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the type L, as exemplified by patent document US3216789 containing iron group metals, noble metals or copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/60—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the type L, as exemplified by patent document US3216789
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/60—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the type L, as exemplified by patent document US3216789
- B01J29/64—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the type L, as exemplified by patent document US3216789 containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C4/00—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms
- C07C4/08—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by splitting-off an aliphatic or cycloaliphatic part from the molecule
- C07C4/12—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by splitting-off an aliphatic or cycloaliphatic part from the molecule from hydrocarbons containing a six-membered aromatic ring, e.g. propyltoluene to vinyltoluene
- C07C4/14—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by splitting-off an aliphatic or cycloaliphatic part from the molecule from hydrocarbons containing a six-membered aromatic ring, e.g. propyltoluene to vinyltoluene splitting taking place at an aromatic-aliphatic bond
- C07C4/20—Hydrogen being formed in situ, e.g. from steam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
- B01J2229/30—After treatment, characterised by the means used
- B01J2229/36—Steaming
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2529/00—Catalysts comprising molecular sieves
- C07C2529/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites, pillared clays
- C07C2529/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- C07C2529/60—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the type L
- C07C2529/61—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the type L containing iron group metals, noble metals or copper
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Application de catalyseurs contenant au moins un métal du groupe VIII dans une proportion de 0,1 à 5 % en poids sur un support constitué par une zéolithe L à la désalkylation à l'eau de coupes pétrolières contenant des hydrocarbures aromatiques mono ou polyalkylés caractérisée en ce que l'on procède à la réaction dans les conditions suivantes : Température 400-600 degrés C et de préférence 430-550 degrés C: Pression 30 à 80 bars et de préférence 30 à 60 bars; Vitesse spaciale horaire des hydrocarbures : 0,1 à 10h**-1 et de préférence : 0,3 à 4 h**-1. Rapport eau/hydrocarbures : 2 à 20 et de préférence 4 à 10 h**-1. La zéolithe L peut être échangée avec une solution des métaux tels que les lithium, sodium, cesium chrome, manganèse, rhodium.
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7806159A FR2418782A2 (fr) | 1977-12-19 | 1978-03-03 | Catalyseur de desalkylation a l'eau des hydrocarbures aromatiques |
NL7812216A NL7812216A (nl) | 1977-12-19 | 1978-12-15 | Katalysator voor de verwijdering van alkylgroepen met water uit aromatische koolwaterstoffen. |
JP15813878A JPS5489990A (en) | 1977-12-19 | 1978-12-18 | Catalyst for dealkylating aromatic hydrocarbon with water |
BE192373A BE872834A (fr) | 1977-12-19 | 1978-12-18 | Catalyseur de desalkylation a l'eau d'hydrocarbures aromatiques |
IT30938/78A IT1100648B (it) | 1977-12-19 | 1978-12-18 | Catalizzatore di dealchilazione con acqua di idrocarburi |
US05/970,332 US4238368A (en) | 1977-12-19 | 1978-12-18 | Water dealkylation catalyst of aromatic hydrocarbons |
CA318,082A CA1124225A (fr) | 1977-12-19 | 1978-12-18 | Catalyseur de desalkylation a l'eau d'hydrocarbures aromatiques |
GB7848897A GB2012605B (en) | 1977-12-19 | 1978-12-18 | Water dealkylation catalyst of aromatic hydrocarbons |
DE2854879A DE2854879C3 (de) | 1977-12-19 | 1978-12-19 | Katalysator zur Entalkylierung von mono- oder polyalkylierte aromatische Kohlenwasserstoffe enthaltenden Erdölschnitten mit Wasser |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7738277A FR2411820A1 (fr) | 1977-12-19 | 1977-12-19 | Catalyseur de desalkylation a l'eau d'hydrocarbures aromatiques |
FR7806159A FR2418782A2 (fr) | 1977-12-19 | 1978-03-03 | Catalyseur de desalkylation a l'eau des hydrocarbures aromatiques |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2418782A2 true FR2418782A2 (fr) | 1979-09-28 |
FR2418782B2 FR2418782B2 (fr) | 1981-01-30 |
Family
ID=26220349
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7806159A Granted FR2418782A2 (fr) | 1977-12-19 | 1978-03-03 | Catalyseur de desalkylation a l'eau des hydrocarbures aromatiques |
Country Status (9)
Country | Link |
---|---|
US (1) | US4238368A (fr) |
JP (1) | JPS5489990A (fr) |
BE (1) | BE872834A (fr) |
CA (1) | CA1124225A (fr) |
DE (1) | DE2854879C3 (fr) |
FR (1) | FR2418782A2 (fr) |
GB (1) | GB2012605B (fr) |
IT (1) | IT1100648B (fr) |
NL (1) | NL7812216A (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4349461A (en) * | 1980-02-25 | 1982-09-14 | Mobil Oil Corporation | Group VIIA metal-modified zeolite catalysts |
JPS6027635U (ja) * | 1983-07-29 | 1985-02-25 | 小林製袋産業株式会社 | 栽培用反射具 |
US4595670A (en) * | 1983-11-10 | 1986-06-17 | Exxon Research And Engineering Co. | Zeolite catalyst |
US4595668A (en) * | 1983-11-10 | 1986-06-17 | Exxon Research And Engineering Co. | Bound zeolite catalyst |
US4681865A (en) * | 1985-05-07 | 1987-07-21 | Research Association For Utilization Of Light Oil | Catalyst for the production of aromatic hydrocarbons |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1358439A (fr) * | 1963-02-04 | 1964-04-17 | Union Carbide Corp | Nouveau procédé d'hydrodésalkylation des hydrocarbures alkyl-aromatiques |
FR1588876A (fr) * | 1968-09-03 | 1970-03-16 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3354078A (en) * | 1965-02-04 | 1967-11-21 | Mobil Oil Corp | Catalytic conversion with a crystalline aluminosilicate activated with a metallic halide |
US3436434A (en) * | 1967-04-21 | 1969-04-01 | Universal Oil Prod Co | Dealkylation of alkyl aromatic hydrocarbons |
US3437709A (en) * | 1967-12-21 | 1969-04-08 | Sinclair Research Inc | Disproportionation of alkyl aromatics with a crystalline aluminosilicate and oxygen |
BE792608A (nl) * | 1972-01-07 | 1973-06-12 | Shell Int Research | Werkwijze voor het bereiden van op zeoliet l gebaseerde katalysatoren voor het omzetten van koolwaterstoffen |
US3849292A (en) * | 1972-08-25 | 1974-11-19 | Universal Oil Prod Co | Process for the conversion of heavy hydrocarbon charge stocks |
CA1015733A (en) * | 1972-10-19 | 1977-08-16 | Shell Canada Limited | Process for preparing a crystalline aluminosilicate hydroconversion catalyst |
US4139496A (en) * | 1975-10-29 | 1979-02-13 | Texaco Inc. | Catalyst for dealkylating an alkylaromatic hydrocarbon |
-
1978
- 1978-03-03 FR FR7806159A patent/FR2418782A2/fr active Granted
- 1978-12-15 NL NL7812216A patent/NL7812216A/xx not_active Application Discontinuation
- 1978-12-18 BE BE192373A patent/BE872834A/fr not_active IP Right Cessation
- 1978-12-18 CA CA318,082A patent/CA1124225A/fr not_active Expired
- 1978-12-18 IT IT30938/78A patent/IT1100648B/it active
- 1978-12-18 JP JP15813878A patent/JPS5489990A/ja active Granted
- 1978-12-18 GB GB7848897A patent/GB2012605B/en not_active Expired
- 1978-12-18 US US05/970,332 patent/US4238368A/en not_active Expired - Lifetime
- 1978-12-19 DE DE2854879A patent/DE2854879C3/de not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1358439A (fr) * | 1963-02-04 | 1964-04-17 | Union Carbide Corp | Nouveau procédé d'hydrodésalkylation des hydrocarbures alkyl-aromatiques |
FR1588876A (fr) * | 1968-09-03 | 1970-03-16 |
Also Published As
Publication number | Publication date |
---|---|
DE2854879A1 (de) | 1979-06-21 |
US4238368A (en) | 1980-12-09 |
FR2418782B2 (fr) | 1981-01-30 |
DE2854879B2 (de) | 1980-07-03 |
BE872834A (fr) | 1979-04-17 |
JPS5720850B2 (fr) | 1982-05-01 |
GB2012605A (en) | 1979-08-01 |
IT7830938A0 (it) | 1978-12-18 |
GB2012605B (en) | 1982-10-20 |
JPS5489990A (en) | 1979-07-17 |
IT1100648B (it) | 1985-09-28 |
NL7812216A (nl) | 1979-06-21 |
DE2854879C3 (de) | 1981-08-27 |
CA1124225A (fr) | 1982-05-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property |